PRECAUTIONS: Before taking lansoprazole, tell your doctor or pharmacist if you are allergic to it; or to similar drugs (e.g., omeprazole, pantoprazole); or if you have any other allergies.Before using this medication, tell your doctor or pharmacist your medical history, especially of: liver disease, other stomach problems (e.g., tumors).Some symptoms may actually be signs of a more serious condition. Tell your doctor immediately if you have: heartburn combined with lightheadedness/sweating/dizziness, chest pain or shoulder/jaw pain (especially with trouble breathing), pain spreading to arms/neck/shoulders, unexplained weight loss.This medication should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor.It is not known whether this drug passes into breast milk. Breast-feeding while using this drug is not recommended. Consult your doctor before breast-feeding.
DRUG INTERACTIONS: Your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with them first.This drug should not be used with the following medications because very serious interactions may occur: atazanavir, nelfinavir.If you are currently using any of these medications, tell your doctor or pharmacist before starting lansoprazole.Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: cilostazol, theophylline, voriconazole, warfarin.Some products need stomach acid so that the body can absorb them properly (such as ampicillin, iron supplements, calcium supplements, dasatinib, azole antifungals including ketoconazole). Lansoprazole decreases stomach acid, so it may change how well these other products work. Before using lansoprazole, consult your doctor or pharmacist about the other medications you take and for advice on how to reduce or avoid these types of interactions.Based on information for similar drugs, lansoprazole may increase the amount of digoxin that is absorbed into your blood. Consult your doctor or pharmacist for details if you also take digoxin.This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.
Quick GuideHeartburn Causes, Symptoms, Remedies, and Treatments
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